When Ubuntu 12.04 starts on my X201T the touchscreen works fine, I can touch anywhere and the mouse will appear there. However once I log in to the desktop the touchscreen starts acting like a touchpad. if I touch the screen it acts like a permanent left click, and if I move my finger on the left side of the screen with the mouse on the right, it will follow my motions with a slightly larger motion, much like a touchpad on high sensitivity. Touching in random locations does not make the mouse appear (or jump to a new location like a miscalibrated screen).